Solar flares on September 15, 2009
The most powerful solar flare in 24 hours
There were no solar flares on the selected date
Solar activity index
Value as of the end of the day on September 15, 2009
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2009 to September 15, 2009
Time zone — UTC+02 (Prague) — summer time
List of solar flares for September 15, 2009
There were no solar flares on the selected date